JPS5028747B1 - - Google Patents
Info
- Publication number
- JPS5028747B1 JPS5028747B1 JP45022023A JP2202370A JPS5028747B1 JP S5028747 B1 JPS5028747 B1 JP S5028747B1 JP 45022023 A JP45022023 A JP 45022023A JP 2202370 A JP2202370 A JP 2202370A JP S5028747 B1 JPS5028747 B1 JP S5028747B1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80765969A | 1969-03-17 | 1969-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5028747B1 true JPS5028747B1 (es) | 1975-09-18 |
Family
ID=25196891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45022023A Pending JPS5028747B1 (es) | 1969-03-17 | 1970-03-17 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3590316A (es) |
| JP (1) | JPS5028747B1 (es) |
| ES (1) | ES377569A1 (es) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969652A (en) * | 1974-01-04 | 1976-07-13 | General Electric Company | Electronic ballast for gaseous discharge lamps |
| US3949211A (en) * | 1974-06-21 | 1976-04-06 | Westinghouse Electric Corporation | Luminaire having ballast circuitry in photocontrol housing |
| US3999100A (en) * | 1975-05-19 | 1976-12-21 | Morton B. Leskin | Lamp power supply using a switching regulator and commutator |
| US4162429A (en) * | 1977-03-11 | 1979-07-24 | Westinghouse Electric Corp. | Ballast circuit for accurately regulating HID lamp wattage |
| US4162428A (en) * | 1978-06-29 | 1979-07-24 | Westinghouse Electric Corp. | Variable inductance ballast apparatus for HID lamp |
| US4356433A (en) * | 1980-07-07 | 1982-10-26 | The Nuarc Company, Inc. | HID Lamp power supply |
| US4503364A (en) * | 1982-09-02 | 1985-03-05 | Cooper Industries, Inc. | Programming and control device for modified lead ballast for HID lamps |
| US4501994A (en) * | 1982-09-02 | 1985-02-26 | Cooper Industries, Inc. | Ballast modifying device and lead-type ballast for programming and controlling the operating performance of an hid sodium lamp |
| US4645982A (en) * | 1982-11-15 | 1987-02-24 | Canon Kabushiki Kaisha | Load control unit in an image forming apparatus |
| FR2559334B1 (fr) * | 1984-02-03 | 1988-02-26 | Ssih Equipment Sa | Dispositif d'alimentation pour commander l'intensite lumineuse d'au moins une lampe a decharge et utilisation dudit dispositif |
| US4686428A (en) * | 1985-08-28 | 1987-08-11 | Innovative Controls, Incorporated | High intensity discharge lamp self-adjusting ballast system with current limiters and a current feedback loop |
| US4682084A (en) * | 1985-08-28 | 1987-07-21 | Innovative Controls, Incorporated | High intensity discharge lamp self-adjusting ballast system sensitive to the radiant energy or heat of the lamp |
| US4999547A (en) * | 1986-09-25 | 1991-03-12 | Innovative Controls, Incorporated | Ballast for high pressure sodium lamps having constant line and lamp wattage |
| DE29511680U1 (de) * | 1995-07-19 | 1996-11-21 | Niggemeyer, Gert Günther, 21244 Buchholz | Multiplikationsschaltung |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3226641A (en) * | 1961-12-05 | 1965-12-28 | Gen Electric | Electronic type converter for producting a d.c. signal proportional to watt input |
| US3265930A (en) * | 1962-05-03 | 1966-08-09 | Gen Electric | Current level switching apparatus for operating electric discharge lamps |
-
1969
- 1969-03-17 US US807659A patent/US3590316A/en not_active Expired - Lifetime
-
1970
- 1970-03-16 ES ES377569A patent/ES377569A1/es not_active Expired
- 1970-03-17 JP JP45022023A patent/JPS5028747B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3590316A (en) | 1971-06-29 |
| ES377569A1 (es) | 1973-01-01 |